OpenGTA/util/sample_cache.h
2018-09-23 10:57:34 +05:00

77 lines
2.8 KiB
C++
Executable File

/************************************************************************
* Copyright (c) 2005-2006 tok@openlinux.org.uk *
* *
* This software is provided as-is, without any express or implied *
* warranty. In no event will the authors be held liable for any *
* damages arising from the use of this software. *
* *
* Permission is granted to anyone to use this software for any purpose, *
* including commercial applications, and to alter it and redistribute *
* it freely, subject to the following restrictions: *
* *
* 1. The origin of this software must not be misrepresented; you must *
* not claim that you wrote the original software. If you use this *
* software in a product, an acknowledgment in the product documentation *
* would be appreciated but is not required. *
* *
* 2. Altered source versions must be plainly marked as such, and must *
* not be misrepresented as being the original software. *
* *
* 3. This notice may not be removed or altered from any source *
* distribution. *
************************************************************************/
#ifndef SAMPLE_CACHE_H
#define SAMPLE_CACHE_H
#include <SDL_mixer.h>
#include <map>
#include "Singleton.h"
#include "SmallObj.h"
namespace Audio {
class SampleType_MixChunk : public Loki::SmallObject<> {
public:
SampleType_MixChunk(Uint8 *mem, Mix_Chunk *ch) : memory(mem), chunk(ch) {}
~SampleType_MixChunk() {
delete [] memory;
Mix_FreeChunk(chunk);
}
Uint8 *memory;
Mix_Chunk *chunk;
private:
SampleType_MixChunk(const SampleType_MixChunk & other);
SampleType_MixChunk() : memory(0), chunk(0) {}
};
typedef size_t SampleKeyType;
template < typename K, typename V >
class Cache {
public:
~Cache() {
clear;
}
void clear();
typedef std::map< K, V > CacheMapType;
V operator[](K k) { return m_map[k]; }
void add(K k, V v) { m_map.insert(std::make_pair<K, V>(k, v)); }
private:
CacheMapType m_map;
};
typedef Cache< SampleKeyType, SampleType_MixChunk* > SampleCache;
template<> void SampleCache::clear() {
for (CacheMapType::iterator i = m_map.begin(); i != m_map.end(); i++) {
delete i->second;
}
m_map.clear();
}
typedef Loki::SingletonHolder< SampleCache> SampleCacheHolder;
}
#endif